Where does “Litopterna” come from?

Litopterna (Modern Latin) comes from Ancient Greek πτέρνη, from Proto-Indo-European tpḗrsneh₂, from Proto-Indo-European sperH- — to kick.

Ancestry of “Litopterna”, step by step

Litopterna traces back through two separate lines of ancestry.

via Ancient Greek πτέρνη

StepLanguageWordMeaning
1Ancient Greekπτέρνηheel; hoof; heel of a shoe
2Proto-Indo-Europeantpḗrsneh₂heel, upper thigh
3Proto-Indo-EuropeansperH-to kick

via Ancient Greek λῑτός

StepLanguageWordMeaning
1Ancient Greekλῑτόςplain, frugal, simple
Every word from Proto-Indo-European sperH- →Every word from Proto-Indo-European tpḗrsneh₂ →Every word from Ancient Greek πτέρνη →